Use a right triangle to simplify.tan (arccos x)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Add.-3 + 11 + (-15)
A. 23 B. -7 C. 29 D. -1
Mathematics
Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - x
A. x2 - x + 
= (x - 1)2
B. x2 - x + 
= 
2
C. x2 - x + 1 = (x - 2)2
D. x2 - x + 
= 
2
Mathematics
Simplify the expression.(x-5)-5
A. - x25
B. 
C. -5x25
D. x25
Mathematics
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find the function V(t) relating the velocity to the number of seconds, t. Use this function to find the velocity of the object at time 
A. 211.6 ft/sec B. 212.9 ft/sec C. 209.6 ft/sec D. 210.9 ft/sec
Mathematics